As of 2010, the United States had a population of 285 million, ranking as the _____________ most populous country in the world.
a. third
b. second
c. eighth
d. twelfth
As of the 2010, the united states was the third-largest in terms of the population and had a population of about the 285 million in 2000 and which ranged up to the 312 million in 2010.
